Simply place the tool or object you want to magnetize inside the coil and briefly press S1. The generated single polarity field should magnetize the object if the material it is made to allow.
Written in an article in Radio Electronics magazine in April 1987, this circuit triggers an alarm...
This is the receiver circuit for the previous transmitter. The circuit has a programming key to...
This is an example of a temperature sensor shield using the Texas Instruments TMP390 obtained from...